May weather forecastJamestown, TN
May
Weather in May
The last month of the spring, May, is a warm month in Jamestown, Tennessee, with an average temperature fluctuating between 55.4°F (13°C) and 75.4°F (24.1°C).Temperature
The onset of May brings a temperature shift, with the average high-temperature moving from an enjoyable 66.2°F (19°C) in April to a warm 75.4°F (24.1°C). During the month of May, Jamestown anticipates a mean low-temperature of 55.4°F (13°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Jamestown, in May, it is raining for 17.8 days, with typically 3.19" (81mm) of accumulated precipitation. In Jamestown, during the entire year, the rain falls for 170.9 days and collects up to 37.68" (957mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Jamestown, the average length of the day in May is 14h and 7min.On the first day of May, sunrise is at 5:45 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in May is 9.3h.UV index
The months with the highest UV index in Jamestown are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jamestown, TN
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Jamestown, TN
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Jamestown, TN
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Jamestown, TN
- Average humidity in May: 79%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).
Average rainfall in May
Jamestown, TN
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in May
Jamestown, TN
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in May
Jamestown, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Jamestown, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jamestown, TN
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Jamestown, TN
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in May
Jamestown, TN
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Jamestown, TN
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in May
Jamestown, TN
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
